Home / 20,117.26-30,175.90-6,266.26

Finding the Fourth Proportional to 20,117.26, 30,175.90 and 6,266.26

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Solution

The fourth proportional to 20,117.26, 30,175.90 and 6,266.26 is: 9,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.26 : 30,175.90 = 6,266.26 : x
  2. Step 2: Convert to fraction form
    20,117.26/30,175.90 = 6,266.26/x
  3. Step 3: Cross multiply
    20,117.26x = 30,175.90 × 6,266.26
  4. Step 4: Simplify right side
    20,117.26x = 189,090,035.13
  5. Step 5: Solve for x
    x = 189,090,035.13/20,117.26
  6. Step 6: Final answer
    x = 9,399.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.